2003-04-16 Moritz Schulte <moritz@g10code.com>

	* rand-internal.h: Removed declarations for constructor functions.

	* md.c (md_copy): Call _gcry_module_use for incrementing the usage
	counter of the digest modules.

	* rsa.c: Do not include "rsa.h".
	* dsa.c: Do not include "dsa.h".
	* elgamal.c: Do not include "elgamal.h".
	* des.c: Do not include "des.h".
	* cast5.c: Do not include "cast5.h".
	* blowfish.c: Do not include "blowfish.h".
	* arcfour.c: Do not include "arcfour.h".

	* Makefile.am (libcipher_la_DEPENDENCIES): Removed.
	(libcipher_la_LIBADD): Removed.
	Use Automake conditionals for conditional compilation.

2003-04-13  Moritz Schulte  <moritz@g10code.com>

	* cipher.c (gcry_cipher_open): Call REGISTER_DEFAULT_CIPHERS.

	* md.c (gcry_md_list): New member: module.
	(md_enable): New variable: module, changed use of module and
	digest.
	(md_enable): Initialize member: module.
	(md_close): Call _gcry_module_release.

	* cipher.c (gcry_cipher_open): New variable: module, changed use of
	module and cipher.
	(struct gcry_cipher_handle): New member: module.
	(gcry_cipher_open): Initialize member: module.
	(gcry_cipher_close): Call _gcry_module_release.

2003-04-09  Moritz Schulte  <moritz@g10code.com>

	* cipher.c: Include "ath.h".
	* md.c: Likewise.
	* pubkey.c: Likewise.

	* cipher.c (ciphers_registered_lock): New variable.
	* md.c (digests_registered_lock): New variable.
	* pubkey.c (pubkeys_registered_lock): New variable.

	* rndlinux.c (gnupgext_version, func_table): Removed definitions.
	(gnupgext_enum_func): Removed function.
	(_gcry_rndlinux_constructor): Removed function.

	* rndegd.c (gnupgext_version, func_table): Removed definitions.
	(gnupgext_enum_func): Removed function.
	(_gcry_rndegd_constructor): Removed function.

	* rndunix.c (gnupgext_version, func_table): Removed definitions.
	(gnupgext_enum_func): Removed function.
	(_gcry_rndunix_constructor): Removed function.

	* rndw32.c (gnupgext_version, func_table): Removed definitions.
	(gnupgext_enum_func): Removed function.
	(_gcry_rndw32_constructor): Removed function.

	* rndegd.c (rndegd_connect_socket): Simplify code for creating the
	egd socket address.
	(rndegd_connect_socket): Call log_fatal use instead of
	g10_log_fatal.
	(egd_gather_random): Renamed to ...
	(rndegd_gather_random): ... here.

2003-04-08  Moritz Schulte  <moritz@g10code.com>

	* rndlinux.c: Do not include "dynload.h".
	* rndunix.c: Likewise.
	* rndw32.c: Likewise.

	* rndegd.c (rndegd_connect_socket): Factored out from ...
	(egd_gather_random): here; call it.
	(egd_socket): New variable.
	(egd_gather_random): Initialize fd with egd_socket, do not declare
	fd static.
	(do_read): Merged few changes from GnuPG. FIXME - not finished?
	Do not include "dynload.h".

	* rndw32.c (gather_random): Renamed to rndw32_gather_random, do
	not declare static.
	(gather_random_fast): Renamed to rndw32_gather_random_fast, do not
	declare static.

	* rndunix.c (gather_random): Renamed to rndunix_gather_random, do
	not declare static.
	* rndegd.c (gather_random): Renamed to rndegd_gather_random, do
	not declare static.
	* rndlinux.c (gather_random): Renamed to rndlinux_gather_random,
	do not declare static.

2003-04-07  Moritz Schulte  <moritz@g10code.com>

	* Makefile.am (libcipher_la_SOURCES): Removed construct.c.
	(libcipher_la_SOURCES): Added sha1.c, sha256.c, rmd160.c, md4.c,
	md5.c, tiger.c and crc.c
	(EXTRA_PROGRAMS): Removed sha1, sha256, rmd160, md4, md5, tiger
	and crc.  Removed definitions: EXTRA_md4_SOURCES,
	EXTRA_md5_SOURCES, EXTRA_rmd160_SOURCES, EXTRA_sha1_SOURCES,
	EXTRA_sha256_SOURCES, EXTRA_tiger_SOURCES and EXTRA_crc_SOURCES,
	BUILT_SOURCES, DISTCLEANFILES.

	* pubkey.c: Do not include "elgamal.h", "dsa.h" and "rsa.h".

	* Makefile.am (libcipher_la_SOURCES): Removed rsa.h, elgamal.h,
	dsa.h, des.h, cast5.h, arcfour.h and blowfish.h.

	* rsa.h: Removed file.
	* elgamal.h: Removed file.
	* dsa.h: Removed file.
	* des.h: Removed file.
	* cast5.h: Removed file.
	* arcfour.h: Removed file.
	* blowfish.h: Removed file.

	* Makefile.am (libcipher_la_SOURCES): Removed dynload.c and
	dynload.h.

	* rsa.c (pubkey_spec_rsa): New variable.
	* dsa.c (pubkey_spec_rsa): New variable.
	* elgamal.c (pubkey_spec_elg): New variable.

	* rsa.c (_gcry_rsa_get_info): Removed function.
	* elgamal.c (_gcry_elg_get_info): Removed function.
	* dsa.c (_gcry_dsa_get_info): Removed function.

	* tiger.c (tiger_get_info): Removed function.
	(gnupgext_version, func_table): Removed definitions.
	(gnupgext_enum_func): Removed function.
	(_gcry_tiger_constructor): Removed function.

	* sha1.c (sha1_get_info): Removed function.
	(gnupgext_version, func_table): Removed definitions.
	(gnupgext_enum_func): Removed function.
	(_gcry_sha1_constructor): Removed function.

	* sha256.c (sha256_get_info): Removed function.
	(gnupgext_version, func_table): Removed definitions.
	(gnupgext_enum_func): Removed function.
	(_gcry_sha256_constructor): Removed function.

	* rmd160.c (rmd160_get_info): Removed function.
	(gnupgext_version, func_table): Removed definitions.
	(gnupgext_enum_func): Removed function.
	(_gcry_rmd160_constructor): Removed function.

	* md5.c (md5_get_info): Removed function.
	(gnupgext_version, func_table): Removed definitions.
	(gnupgext_enum_func): Removed function.
	(_gcry_md5_constructor): Removed function.

	* md4.c (md4_get_info): Removed function.
	(gnupgext_version, func_table): Removed definitions.
	(gnupgext_enum_func): Removed function.
	(_gcry_md4_constructor): Removed function.

	* crc.c (crc_get_info): Removed function.

	* arcfour.c (do_arcfour_setkey): Changed type of context argument
	to `void *', added local variable for cast, adjusted callers.
	(arcfour_setkey): Likewise.
	(encrypt_stream): Likewise.
	* cast5.c (cast_setkey): Likewise.
	(encrypt_block): Likewise.
	* rijndael.c (rijndael_setkey): Likewise.
	(rijndael_encrypt): Likewise.
	(rijndael_decrypt): Likewise.
	* twofish.c (twofish_setkey): Likewise.
	(twofish_encrypt): Likewise.
	(twofish_decrypt): Likewise.
	* des.c (do_des_setkey): Likewise.
	(do_des_encrypt): Likewise.
	(do_des_encrypt): Likewise.
	(do_tripledes_encrypt): Likewise.
	(do_tripledes_encrypt): Likewise.
	* blowfish.c (bf_setkey: Likewise.
	(encrypt_block): Likewise.
	(decrypt_block): Likewise.

	* arcfour.c (encrypt_stream): Likewise.

	* rijndael.c (gnupgext_version, func_table): Removed definitions.
	(gnupgext_enum_func) Removed function.

	* twofish.c (gnupgext_version, func_table): Removed definitions.
	(gnupgext_enum_func) Removed function.

	* cast5.c (CIPHER_ALGO_CAST5): Removed.

	* blowfish.c (FNCCAST_SETKEY, FNCCAST_CRYPT): Removed macros.
	(CIPHER_ALGO_BLOWFISH): Removed symbol.
	* cast5.c (FNCCAST_SETKEY, FNCCAST_CRYPT): Likewise.
	* des.c (selftest_failed): Removed.
	(initialized): New variable.
	(do_des_setkey): Run selftest, if not yet done.
	(FNCCAST_SETKEY, FNCCAST_CRYPT): Removed macros.

	* arcfour.c (_gcry_arcfour_get_info): Removed function.
	* blowfish.c (_gcry_blowfish_get_info): Removed function.
	* cast5.c (_gcry_cast5_get_info): Removed function.
	* des.c (_gcry_des_get_info): Removed function.
	* rijndael.c (_gcry_rijndael_get_info): Removed function.
	* twofish.c (_gcry_twofish_get_info): Removed function.

	* arcfour.c (cipher_spec_arcfour): New variable.
	* twofish.c (cipher_spec_twofish, cipher_spec_twofish128): New
	variables.
	* rijndael.c (cipher_spec_aes, cipher_spec_aes192,
	cipher_spec256): New variables.
	* des.c (cipher_spec_des, cipher_spec_tripledes): New variables.
	* cast5.c (cipher_spec_cast5): New variable.
	* blowfish.c (cipher_spec_blowfish): Likewise.

	* twofish.c: Do not include "dynload.h".
	* rijndael.c: Likewise.
	* des.c: Likewise.
	* cast5.c: Likewise.
	* blowfish.c: Likewise.
	* cipher.c: Likewise.
	* crc.c: Likewise.
	* md4.c: Likewise.
	* md5.c: Likewise.
	* md.c: Likewise.
	* pubkey.c: Likewise.
	* rijndael.c: Likewise.
	* sha1.c: Likewise.
	* sha256.c: Likewise.

	* arcfour.c: Include "cipher.h".
	* twofish.c: Likewise.
	* rijndael.c: Likewise.
	* des.c: Likewise.
	* cast5.c: Likewise.
	* blowfish.c: Likewise.

	* twofish.c (twofish_setkey): Declared argument `key' const.
	(twofish_encrypt): Declared argument `inbuf' const.
	(twofish_decrypt): Likewise.

	* rijndael.c (rijndael_setkey): Declared argument `key' const.
	(rijndael_encrypt): Declared argument `inbuf' const.
	(rijndael_decrypt): Likewise.

	* des.c (do_des_setkey): Declared argument `key' const.
	(do_tripledes_setkey): Likewise.
	(do_des_encrypt): Declared argument `inbuf' const.
	(do_des_decrypt): Likewise.
	(do_tripledes_encrypt): Likewise.
	(do_tripledes_decrypt): Likewise.

	* cast5.c (encrypt_block): Declared argument `inbuf' const.
	(decrypt_block): Likewise.
	(cast_setkey): Declared argument `key' const.

	* blowfish.c (do_bf_setkey): Declared argument `key' const.
	(encrypt_block): Declared argument `inbuf' const.
	(encrypt_block): Likewise.

	* cipher.c: Remove CIPHER_ALGO_DUMMY related code.
	Removed struct cipher_table_s.
	Changed definition of cipher_table.
	Removed definition of disabled_algos.
	(ciphers_registered, default_ciphers_registered): New variables.
	(REGISTER_DEFAULT_CIPHERS): New macro.
	(dummy_setkey): Declared argument `key' const.
	(dummy_encrypt_block): Declared argument `inbuf' const.
	(dummy_encrypt_block): Likewise.
	(dummy_encrypt_stream): Likewise.
	(dummy_encrypt_stream): Likewise.
	(dummy_setkey): Use `unsigned char' instead of `byte'.
	(dummy_encrypt_block): Likewise.
	(dummy_decrypt_block): Likewise.
	(dummy_encrypt_stream): Likewise.
	(dummy_decrypt_stream): Likewise.
	(gcry_cipher_register_default): New function.
	(gcry_cipher_lookup_func_id): New function.
	(gcry_cipher_lookup_func_name): New function.
	(gcry_cipher_lookup_id): New function.
	(gcry_cipher_lookup_name): New function.
	(gcry_cipher_id_new): New function.
	(gcry_cipher_register): New function.
	(gcry_cipher_unregister): New function.
	(setup_cipher_table): Removed function.
	(load_cipher_modules): Removed function.
	(gcry_cipher_map_name): Adjusted to use new module management.
	(cipher_algo_to_string): Likewise.
	(disable_cipher_algo): Likewise.
	(check_cipher_algo): Likewise.
	(cipher_get_keylen): Likewise.
	(cipher_get_blocksize): Likewise.
	(gcry_cipher_open): Likewise.
	(struct gcry_cipher_handle): Replaced members algo, algo_index,
	blocksize, setkey, encrypt, decrypt, stencrypt, stdecrypt with one
	member: cipher.
	(gcry_cipher_open): Adjusted code for new handle structure.
	(cipher_setkey): Likewise.
	(cipher_setiv): Likewise.
	(cipher_reset): Likewise.
	(do_ecb_encrypt): Likewise.
	(do_ecb_decrypt): Likewise.
	(do_cbc_encrypt): Likewise.
	(do_cbc_decrypt): Likewise.
	(do_cfb_encrypt): Likewise.
	(do_cfb_decrypt): Likewise.
	(do_ctr_encrypt): Likewise.
	(cipher_encrypt): Likewise.
	(gcry_cipher_encrypt): Likewise.
	(cipher_decrypt): Likewise.
	(gcry_cipher_decrypt): Likewise.
	(cipher_sync): Likewise.
	(gcry_cipher_ctl): Likewise.

	* pubkey.c: Removed struct pubkey_table_s.
	Changed definition of pubkey_table.
	Removed definition of disabled_algos.
	(pubkeys_registered, default_pubkeys_registered): New variables.
	(REGISTER_DEFAULT_PUBKEYS): New macro.
	(setup_pubkey_table): Removed function.
	(load_pubkey_modules): Removed function.
	(gcry_pubkey_register_default): New function.
	(gcry_pubkey_lookup_func_id): New function.
	(gcry_pubkey_lookup_func_name): New function.
	(gcry_pubkey_lookup_id): New function.
	(gcry_pubkey_lookup_name): New function.
	(gcry_pubkey_id_new): New function.
	(gcry_pubkey_register): New function.
	(gcry_pubkey_unregister): New function.
	(gcry_pk_map_name): Adjusted to use new module management.
	(gcry_pk_algo_name): Likewise.
	(disable_pubkey_algo): Likewise.
	(check_pubkey_algo): Likewise.
	(pubkey_get_npkey): Likewise.
	(pubkey_get_nskey): Likewise.
	(pubkey_get_nsig): Likewise.
	(pubkey_get_nenc): Likewise.
	(pubkey_generate): Likewise.
	(pubkey_check_secret_key): Likewise.
	(pubkey_encrypt): Likewise.
	(pubkey_decrypt): Likewise.
	(pubkey_sign): Likewise.
	(pubkey_verify): Likewise.
	(gcry_pk_get_nbits): Likewise.
	(gcry_pk_algo_info): Likewise.

	* md.c: Removed struct md_digest_list_s.
	(digest_list): Changed definition.
	(digests_registered, default_digests_registered): New variables.
	(REGISTER_DEFAULT_DIGESTS): New macro.
	(new_list_item): Removed function.
	(setup_md_table): Removed function.
	(load_digest_module): Removed function.
	(gcry_digest_register_default): New function.
	(gcry_digest_lookup_func_id): New function.
	(gcry_digest_lookup_func_name): New function.
	(gcry_digest_lookup_id): New function.
	(gcry_digest_lookup_name): New function.
	(gcry_digest_id_new): New function.
	(gcry_digest_register): New function.
	(gcry_digest_unregister): New function.
	(GcryDigestEntry): New type.
	(struct gcry_md_context): Adjusted type of `list'.
	(gcry_md_map_name): Adjusted to use new module management.
	(digest_algo_to_string): Likewise.
	(check_digest_algo): Likewise.
	(md_enable): Likewise.
	(md_digest_length): Likewise.
	(md_asn_oid): Likewise.

2003-04-07  Moritz Schulte  <moritz@g10code.com>

	* pubkey.c: Replaced PUBKEY_ALGO_DSA with GCRY_PK_DSA,
	PUBKEY_ALGO_RSA with GCRY_PK_RSA and PUBKEY_ALGO_ELGAMAL with
	GCRY_PK_ELG.

	* dsa.c: Replaced PUBKEY_ALGO_DSA with GCRY_PK_DSA.

2003-04-01  Moritz Schulte  <moritz@g10code.com>

	* des.c: Removed checks for GCRY_CIPHER_3DES and GCRY_CIPHER_DES.

1 files changed, 36 insertions, 107 deletions

diff --git a/cipher/rijndael.c b/cipher/rijndael.c
index b7c7d18b..d7814cbd 100644
--- a/cipher/rijndael.c
+++ b/cipher/rijndael.c
@@ -40,7 +40,7 @@
 
 #include "types.h"  /* for byte and u32 typedefs */
 #include "g10lib.h"
-#include "dynload.h"
+#include "cipher.h"
 
 #define MAXKC			(256/32)
 #define MAXROUNDS		14
@@ -1811,11 +1811,12 @@ do_setkey (RIJNDAEL_context *ctx, const byte *key, const unsigned keylen)
 }
 
 static int
-rijndael_setkey (RIJNDAEL_context *ctx, const byte *key, const unsigned keylen)
+rijndael_setkey (void *context, const byte *key, const unsigned keylen)
 {
-    int rc = do_setkey (ctx, key, keylen);
-    _gcry_burn_stack ( 100 + 16*sizeof(int));
-    return rc;
+  RIJNDAEL_context *ctx = (RIJNDAEL_context *) context;
+  int rc = do_setkey (ctx, key, keylen);
+  _gcry_burn_stack ( 100 + 16*sizeof(int));
+  return rc;
 }
 
 
@@ -1936,10 +1937,11 @@ do_encrypt (const RIJNDAEL_context *ctx, byte *b, const byte *a)
 }
 
 static void
-rijndael_encrypt (const RIJNDAEL_context *ctx, byte *b, const byte *a)
+rijndael_encrypt (void *context, byte *b, const byte *a)
 {
-    do_encrypt (ctx, b, a);
-    _gcry_burn_stack (16 + 2*sizeof(int));
+  RIJNDAEL_context *ctx = (RIJNDAEL_context *) context;
+  do_encrypt (ctx, b, a);
+  _gcry_burn_stack (16 + 2*sizeof(int));
 }
 
 
@@ -2031,10 +2033,11 @@ do_decrypt (RIJNDAEL_context *ctx, byte *b, const byte *a)
 }
 
 static void
-rijndael_decrypt (RIJNDAEL_context *ctx, byte *b, const byte *a)
+rijndael_decrypt (void *context, byte *b, const byte *a)
 {
-    do_decrypt (ctx, b, a);
-    _gcry_burn_stack (16+2*sizeof(int));
+  RIJNDAEL_context *ctx = (RIJNDAEL_context *) context;
+  do_decrypt (ctx, b, a);
+  _gcry_burn_stack (16+2*sizeof(int));
 }
 
 /* Test a single encryption and decryption with each key size. */
@@ -2048,11 +2051,11 @@ selftest (void)
     /* The test vectors are from the AES supplied ones; more or less 
      * randomly taken from ecb_tbl.txt (I=42,81,14)
      */
-    static const byte plaintext[16] = {
+    static byte plaintext[16] = {
        0x01,0x4B,0xAF,0x22,0x78,0xA6,0x9D,0x33,
        0x1D,0x51,0x80,0x10,0x36,0x43,0xE9,0x9A
     };
-    static const byte key[16] = {
+    static byte key[16] = {
         0xE8,0xE9,0xEA,0xEB,0xED,0xEE,0xEF,0xF0,
         0xF2,0xF3,0xF4,0xF5,0xF7,0xF8,0xF9,0xFA
     };
@@ -2061,11 +2064,11 @@ selftest (void)
         0xCD,0x9A,0x78,0xAB,0x09,0xA5,0x11,0xBD
     };
 
-    static const byte plaintext_192[16] = {
+    static byte plaintext_192[16] = {
         0x76,0x77,0x74,0x75,0xF1,0xF2,0xF3,0xF4,
         0xF8,0xF9,0xE6,0xE7,0x77,0x70,0x71,0x72
     };
-    static const byte key_192[24] = {
+    static byte key_192[24] = {
         0x04,0x05,0x06,0x07,0x09,0x0A,0x0B,0x0C,
         0x0E,0x0F,0x10,0x11,0x13,0x14,0x15,0x16,
         0x18,0x19,0x1A,0x1B,0x1D,0x1E,0x1F,0x20
@@ -2075,11 +2078,11 @@ selftest (void)
         0x12,0x13,0x1A,0xC7,0xC5,0x47,0x88,0xAA
     };
     
-    static const byte plaintext_256[16] = {
+    static byte plaintext_256[16] = {
         0x06,0x9A,0x00,0x7F,0xC7,0x6A,0x45,0x9F,
         0x98,0xBA,0xF9,0x17,0xFE,0xDF,0x95,0x21
     };
-    static const byte key_256[32] = {
+    static byte key_256[32] = {
         0x08,0x09,0x0A,0x0B,0x0D,0x0E,0x0F,0x10,
         0x12,0x13,0x14,0x15,0x17,0x18,0x19,0x1A,
         0x1C,0x1D,0x1E,0x1F,0x21,0x22,0x23,0x24,
@@ -2116,97 +2119,23 @@ selftest (void)
     
     return NULL;
 }
-
-#ifdef IS_MODULE
-static
-#endif
-       const char *
-_gcry_rijndael_get_info (int algo, size_t *keylen,
-		  size_t *blocksize, size_t *contextsize,
-		  int  (**r_setkey) (void *c, byte *key, unsigned keylen),
-		  void (**r_encrypt) (void *c, byte *outbuf, byte *inbuf),
-		  void (**r_decrypt) (void *c, byte *outbuf, byte *inbuf)
-		 )
-{
-    *keylen = algo==7? 128 :  algo==8? 192 : 256;
-    *blocksize = 16;
-    *contextsize = sizeof (RIJNDAEL_context);
-
-    *(int  (**)(RIJNDAEL_context*, const byte*, const unsigned))r_setkey
-							= rijndael_setkey;
-    *(void (**)(const RIJNDAEL_context*, byte*, const byte*))r_encrypt
-							= rijndael_encrypt;
-    *(void (**)(RIJNDAEL_context*, byte*, const byte*))r_decrypt
-							= rijndael_decrypt;
-
-    if( algo == 7 )
-	return "AES";
-    if (algo == 8)
-        return "AES192";
-    if (algo == 9)
-        return "AES256";
-    return NULL;
-}
-
-
-#ifdef IS_MODULE
-const char * const gnupgext_version = "RIJNDAEL ($Revision$)";
-
-static struct {
-    int class;
-    int version;
-    int  value;
-    void (*func)(void);
-} func_table[] = {
-    { 20, 1, 0, (void(*)(void))_gcry_rijndael_get_info },
-    { 21, 1, 7  },
-    { 21, 1, 8  },
-    { 21, 1, 9  },
-};
-
 
+
 
-/****************
- * Enumerate the names of the functions together with information about
- * this function. Set sequence to an integer with a initial value of 0 and
- * do not change it.
- * If what is 0 all kind of functions are returned.
- * Return values: class := class of function:
- *			   10 = message digest algorithm info function
- *			   11 = integer with available md algorithms
- *			   20 = cipher algorithm info function
- *			   21 = integer with available cipher algorithms
- *			   30 = public key algorithm info function
- *			   31 = integer with available pubkey algorithms
- *		  version = interface version of the function/pointer
- *			    (currently this is 1 for all functions)
- */
-void *
-gnupgext_enum_func ( int what, int *sequence, int *class, int *vers )
-{
-    void *ret;
-    int i = *sequence;
+GcryCipherSpec cipher_spec_aes =
+  {
+    "AES", GCRY_CIPHER_AES, 16, 128, sizeof (RIJNDAEL_context),
+    rijndael_setkey, rijndael_encrypt, rijndael_decrypt,
+  };
 
-    do {
-	if ( i >= DIM(func_table) || i < 0 ) {
-	    return NULL;
-	}
-	*class = func_table[i].class;
-	*vers  = func_table[i].version;
-	switch( *class ) {
-	  case 11:
-	  case 21:
-	  case 31:
-	    ret = &func_table[i].value;
-	    break;
-	  default:
-	    ret = func_table[i].func;
-	    break;
-	}
-	i++;
-    } while ( what && what != *class );
+GcryCipherSpec cipher_spec_aes192 =
+  {
+    "AES192", GCRY_CIPHER_AES192, 16, 192, sizeof (RIJNDAEL_context),
+    rijndael_setkey, rijndael_encrypt, rijndael_decrypt,
+  };
 
-    *sequence = i;
-    return ret;
-}
-#endif
+GcryCipherSpec cipher_spec_aes256 =
+  {
+    "AES256", GCRY_CIPHER_AES256, 16, 256, sizeof (RIJNDAEL_context),
+    rijndael_setkey, rijndael_encrypt, rijndael_decrypt,
+  };